Causal, Non-Causal & Anti-Causal Signals
Causal Signal A signal that does not start before t=0 is a causal signal i.e. x(t)=0, ∀ t<0. Note: A system is causal or non-anticipatory if the output at any time to depends only on the values of the input at the present time and in the past. You can read about causal and non-causal … Read more